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l. G. BHEITENSTEIN. PRESS FOR BUTTON MAKING.

APPLICATION HLED N0v.20.1914.

Patented Aug'. 29, 1916.

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UNITED STATES PATENT OFFICE.

JULIUS G'. BREITENSTEIN, 0F CHICAGO, ILLINOIS, ASSIGNOR TO INDEPENDENTBUTTON AND MACHINE COMPANY, OF CHICAGO, ILLINOIS, A CORPORATION OFILLINOIS.

PRESS FOR BUTTON-MAKING.

Specification of Letters Patent.

Patented Aug. 29, 1916.

Application filed November 20, 1914. Serial No. 873,158.

To all @Mom t may concern.'

Be it known that I, JULiUs G. BnnrrnN- STEIN, a citizen of the UnitedStates, residing at Chicago, in the county of Cook and State ofIllinois, have invented new and useful Improvements in Presses forButton- Making, of which the following is a specification, referencebeing had to the accompanying drawings, forming a part thereof.

The purpose of this invention is to provide an improved press for makingbuttons of the class which comprises a plurality of disks of differentmaterial suitably assembled and clenched together.

It consists in the elements and features of constiuction shown anddescribed as indicated in the claims.

In the drawings Figure l is a side ele vation of a button pressembodying this invention. Fig. 2 is a section at the line 2 2 on Fig. 1.Fig. 3 is a similar View showing the oscillating and reciprocating headat the opposite limit of its range of oscillation from that shown inFigs. l and 2. Fig. t is a vertical section at the line 4 4 on Fig. 3.Fig. 5 is a section at the line,

5 5, on Fig. l.

The press shown in the drawings comprises a fixed base, A, adapted to bemounted rigidly upon a stand or table, said base having an upstandingpost, A1, furnished with a vertical fixed shaft or bolt, C, screwedrigidly into the top of the post and affording bearing for theoscillating head, D, which is vertically stopped between the top of thepost forming one horizontal shoulder, and the head of the bolt formingan opposed shoulder. In the head, I), there is mounted for reciprocationa plunger, E, which carries the upper die. The plunger is operated by acam, F, pivoted in the head and having an operating handle lever, F1,extending upward and forward for convenient grasp of the operator, thecam being so formed and positioned that the plunger is depressed byswinging the handle lever down. A spring, Il, coiled around the plungerand reacting between the lower bearing thereof and a stop on the plungerfor the upper end of the spring (the cross-pin, El, hereinaftermentioned), serves to retract the plunger when the lever handle is swungup.Y The upper die as is customary in machines for this purposecomprises two members, I and J, one of which encompasses the other, the

outer member, J, being adapted to yield upward with respect to the innermember in the operation of the upper die with respect to one of the twolower dies hereinafter mentioned, and to be held unyieldingly withrespect to said inner member' for coperation with the other of saidlower dies.

Upon the base, A, there are mounted two dies, M and N, which aredesigned to cooperate with the upper die, I J, at the respective limitsofthe oscillation of the upper die, and for the purpose of limiting saidoscillation at proper points for such coperatlon, an auxiliary plunger,P, which is mounted in the head, D, for other purposes hereinafterexplained, has its lower end projecting in position to be stopped bylugs, A3 and A4, on the post, A1, when the head 1s swung in the twoopposite directions, respectively. For accurately determining the stop`positions of the oscillating head, adjusting screws, A5, are set throughlugs, A3 and A, respectively, with whose ends the direct collision ofthe auxiliary plunger occurs.

For the purpose of. locking the two members of the upper die so that theouter member shall not move with respect to the inner one when workingin conjunction with the lower die, M, but may so move when working inconjunction with the lower die, N, there is provided a plunger, L,mounted for vertical movement in aboss, A2, which projects from thepost, A1, a spring, S, being provided coiled around the plunger, L,below a shoulder, l, and stopped at its lower end on the base to receivethe down thrust of the plunger and re-acting to uplift it. auxiliaryplunger, P, above mentioned, when stopped against the lug, A3, isdirectly in line above the plunger, L. Said auxiliary plunger isconnected with the plunger, E, by a cross-head pin, E1, set through theplunger, E, and engaging the auxiliary plunger to carry the latter upand down with the movement of the plunger, E. Said cross-head pin, E1,serves, by running in a vertical slot in the side of the bearing of theauxiliary plunger, P, the additional purpose of preventing the plunger,E, from turning in its bearings. The plunger, L, has a finger, L1,projecting horizontally at proper position to overhang the outer member,J, of the upper die when the head, D, is -swung over to position forcooperation of the upper die The with the lower die, il; that is, whenthe auxiliary plunger, l), is stopped against the lug, 0,3, or theadjusting screw, A, therein. Preferably, the finger is of such verticalwidth at the part at which it overhangs said die member, J, as to reachfrom the said lower die engaged by its lower edge to a shoulder, z',formed on a part rigid with the inner die member, l, such shoulder beingconveniently ailorded by the lower end of' 'the plunger, E, the innermember, l, of the die being secured to the plunger by being screwed upinto the lower end of the latter for making it rigid therewith.

In order to allow some range of lateral swing to the finger, L1, toadapt it to come to proper position for its function above describedwith dies of different diameters, the spring, S, is connected at one endwith the plunger, and at the other end in the seat of the spring in thebase, so as to yieldingly resist the turning of the plunger in itsbearing and hold the linger, L1, at a position for being encounteredlaterally by an inner die member of least diameter when the oscillatinghead swings over for cooperation of the upper die with the lower die, N.

Upon considering the above described construction, it will be seen thatupon the depression of the plunger, E, when the oscillating head hasbeen swung over into position for cooperation of the upper die with thelower die, N, said coperation will occur without the outer die member,J, being locked, and said member will be free to yield upwardly alongthe inner member; but that when the oscillating head is swung over forcooperation of the upper die with the lower die, M, the finger, L1,enters above the outer member, J, of the lower die, and upon thedepression of the plunger, E, the auxiliary plunger, P, is thrust downdirectly upon the upper end of the lower plunger, L, depressing saidplunger and causing its finger, L1, to carry the die member, J down withthe die member, l, causing the two members to move absolutely togetherand as one part in their coperation with the lowei' die, M. rlhis directand positive downthrust given to the die member, J, is assisted by thefinger, L1, spanning the entire distance between the upwardly facingshoulder of the die member, J, and the downwardly facing shoulder, z',rigid with the die member, That is to say, the finger, L1, is carrieddown with the plunger, E, both by the engagement of said finger belowthe shoulder, i, and above the die member, J, and also by the thrust ofthe auxiliary plimger, E, upon the lower plunger, L. The two movementsbeing synchronous and equal insure movement of the plunger, L, withoutany cramping in its vertical bearings which might result from theapplication of the :force solely upon the outer end of the finger,

Licentie L1, or which might result from the downthrust pressure appliedonly upon the upper end of the plunger, L, to meet the resistance of thework acting against the under side or" the extended finger, L1.

The boss, A2, is vertically rifted to accommodate the movement of thefinger, L1, in its vertical movement with the plunger, L, and suchvertical rift may extend through the entire height of the boss, thewidth of the rift, a2, being sullicient to accommodate the lateral swingof the finger for dies of maximum and minimum diameters.

In practice, it is convenient to make the post, A1, horizontallysymmetrical by forining perfectly similar bosses, A2, at opposite sidesof the vertical fore-and-aft axial plane. This makes it possible tomount the plunger, L, with its finger and spring in either boss, so asto loclr the upper die for cooperation with either of the lower dies, aspreferred.

I claim 1. In a button making press, in combina,- tion with a bed, apost upstanding thereon; a head mounted on the post for horizontaloscillation; a die-carrying plunger mountd for reciprocation in thehead; an upper die carried thereby comprising two members adapted forrelative vertical movement, the bed being adapted for carrying two lowerdies in position for cooperation with the upper die at two determinedpositions, respectively, of the latter within the range of oscillationof the head; a vertically apertured boss jutting ofi" laterally from thepost; a lower plunger mounted in said boss; a spring for upholding saidlower plunger; an auxiliary plunger in the head, and means by which thedie-carrying plunger reciprocates the auxiliary plunger with it, thelower l.

plunger having a linger which extends above the movable member of theupper die for depressing said member when the oscillating head is at oneof said determined positions, and which is withheld from above said diemember when the head is moved to the other position, said auxiliaryplunger in the head being positioned for vertical alinement with saidlower plunger at the first-mentioned of said determined positions.

2. In a button-making press, in combination with a bed, a postupstanding thereon, a head mounted for oscillation about the post; adie-carrying plunger mounted for reciprocation in the head; an upper diecarried by said plunger comprising two members adapted for relativevertical movement, the bed being adapted to carry two lower diespositioned thereon for cooperation with the upper die at two determinedpositions, respectively, of the latter in the range of oscillation ofthe head; a lower plunger mounted for reciprocating vertically on thebed having a finger which at one of said determined positions of theupper die extends between shoulders rigid with the two upper Intestimony whereof I have hereunto set die members, respectively, forpreventing my hand at Chicago, Illinois, this 12th day l0 relativeyielding of said two members; an of May, 1914.

auxiliary plunger in the head positioned for overhanging siiid lowerplunger at said last- JULIUS G' BREITENSTEN' mentioned determinedposition, and oon- 'Vitnessesz nections by which the die-Carryingplunger CHAS. S. BURTON, i'eoiprooates said auxiliary plunger. EDNA M.MACINTOSH.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents, Washington, I). C.

